Automobile-heater.



T. C. HOUGH.

AUTOMOBILE HEATER.

'APPLlcAnoN man sEPL. 1914.

Patente-d Feb. 6, 191?.

anar were;

I aU'roMoarLn-Hnarnn.

Leitner.

Spcication of Letters Patent.

Patenten iran.. e, raie..

Application filed September 8, 1914. Serial No. 860,512.

lTo all 'wliom t may concern.: A .'Be'it known that I, THOMAS C.. HOUGH,a n fritizen of the United States, residing at "Minneapolis, in thecounty of Hennepin and 5 State of Minnesota, have invented certain new.and useful Improvements in Automobile-Heaters; and I do hereby declarethe following to be a full, clear, vand exact description of theinvention, such as will enable others skilled in the art to which itapvpertains to make. and use the same.

' My invention has for vits object to improvethat'type of automobileheaters where- 1n the 'radiator is supplied with heat by the l5 exhaustfrom the explosive engine; and generally stated, the invention consistsof the novel devices and combinations of devices' hereinafter describedcand defined in the .claimsf Y panying drawings wherein like charactersindicate like parts throughout the several views.

'Referring to the drawings:v

Figure 1 is a fragmentary view partly in side' elevation and partly invertical section y illustrating the improved heater 'as applied to anautomobile;

Fig. 2 is a section taken through the radi- S0 ator proper on the-linea2z -on Fig. 1;

' Fig. 3 is an enlarged view of the switch -valveand casing of theheating system;

Fig. 4 is a section taken on the linea?" onFig. 3 with some partsremoved; y F ig. 5 is a front velevation with some parts broken away,showing the switch valve openingl device; and .1

6y is a side elevation of, the parts show'i'nin Fig. 5. r

The numeral l indicates the .body of an ordinary automobile, the samehaving 4an inclined foot board 2 and the customary dash board 3. y The4numeral 4 indicates a portion i off-the explosive engine and thenumeral 5 indicates the discharge end of the exhaust manifold thereof.The numeral 6 indicates an ordinary exhaust muiiler.

vThe manifold 5 is connected to the exhaust muiiier 6-by an exhaust pipe7 and a switch valve casing 8. This switch valvecasing 8 has inlet andoutlet upwardly extended ports 9 and 10, respectively, the upperextremities of which connect to a radiator 11, which, as shown, is ofrectangular hollow form, and

is provided with an internal partition 12 that extends between the upperextremities The invention is illustrated in the accomgages the inclinedfoot board 2, and is preferably covered by a thin sheet metal perforatedcasing 14, upon which the feet of the cliaufeur,or driver, 'may beplaced.

The switch valve is placed at the junction of the lower extremity of theinlet port 9 with the main or direct exhaust conduit of the switch valvecasing 8; and this valve comprises a disk-like head 15, a segmentalfiange 16 and a shaft 17, which latter projects in both directions -fromthe said head 15. One end of the shaft 17 works through an axialperforation in a diskdike head 18 that is formed integral with the casin8, a0 while the other end of the said shaft 1 is seated in the axialdepression of a removable cap or disk like head 19 that has screw--threaded engagement with the said casing 8. To the outwardly projecting'end of the shaft 17 is attached a crank arm 20 having a wrist pin 2.1.The circumferentially opposite edges of the segmental valve flange 16arepreferably quite sharp, so that theywill v closely engage and scrapeagainst the cylindrical walls of the valve seat formed therefor, withinthev casing 8. When the switch valve just described is in the positionshown in Figs. 1 and 3, all of the hot exhaust will be caused to passupward through the port 9, through the radiator 11, downward through theport 10 and from thence on through the casing 8 and pipe 7 into andthrough the. muffler 6. When the said switch valve isl moved into theposition indicated by dotted 10o lines in Fig. 3, the segmental flange16 will close the port 9 and will'` leave open the main or directpassage through the valve casing 8, so that the exhaust 4will then notpass through the radiator but will directly pass toand through theexhaust muiiier. In this position of the said switch valve, the exhaustwill not circulate through the radiator, but might back up into the saidradiator slightly through the port 10. To prevent. this, a very lightgravity opened check valve 22 of the dapper type is loosely hinged atits 24, the teeth of which inesh witha sinalll 8 ivill blow the saidcheck val-ve 22 upward into a position to close the lower endof'the saidport 10. I

.The switch valve maybe set'in either'of the two extreme positionsnoted, to-wit, in aI position to cause all of the exhaust to Apassthrough ythe radiator on its way to the exhaust muiier, or in a positionto cut ed the exhaust from the radiator and to` causethe 'same to passdirectly to the exhaust niuiler. The said switch valve may also be setin different intermediate positions, so as to` cause moie or less, butnot all of the exhaustto' pass through the radiator,.andathusy give adesired variable amount of heat yin the radiator. `ltherefore alsoprovide a simple and eflicient device for setting the .said vali-e incertain-predetermined. positions, to-wit, in

the tWo extreme positions shown, and iiiseveral intermediate positions.i Thisvalve setting device, preferably comprises a casing 23,*which is'secured in an iipiiglitposi-..

tion onfthe dash board 3and is graduated on its face to indicate, forexample, full,

CPER one-halffopen, and three-fourths open, positions-of vthe saidswitch valve. VMountedto slide vertically in the casing 23 is a rack barpinion 25 carried by ashort stein26that is journaled in the front plate'ofy the casing 23 and is provided with an operating knob 27. The lowerend of the rack bar21is provided with a fork-28 that embraces tliewristpin 21 valve. The numeral 29 indicates a spring applied to the casing 23that is frictionally engageable with the rack bar 24,the said rack barbeing preferably provided with indentations that engage with the-freeend of the said spring in the several above noted positions of therackbar 24. The sovcalled switch valve is itself of highly efficientconstruction. edges of its segmental flange 16 keep carbon scraped fromthe walls of the valve casing.

and prevent the valve from beine stuck by the accumulation of'carhon.-.Its s aft 17, at onevend only, projects through 'the` casing,

yand at that side, the disk like head l5 of the said valve engages theflat head 18 of the valve casing,kand is pressed tightly against theisame by the internal pressure from the exhaust, so that leakage isthereby preventedA around the projecting end ofthe said valve shaft orstem. If at any tiine'it-should be.-

coxne necessary to remove the valve or toopen up the easing for cleaningpurposes, it

is only necessary to remove the cap or head whereas the` radiator properwould cause in the summer completely closed, one-fourth open,

of the crank arm 2O of the switch.

The sharp hau st conduit 19, and this gives access not only to theterior of the valve casing but also to the interior of the switch valveitself. 4

l The radiator ispreferalbly. `utilized asa foot rest and warmer. Theperforated `casing 14 keepsthe shoes out of directcontact with the hot,l.radiator and thus prevents burning of the shoes.

perforatedleasing 14C may be Furthermore, the said cheaply stamped fiomsheet metal and plated, so that itj is given-a neat and finishedappearance,

usually be a casting without iin/ish. It will be noted that when thebolts 13 are from the foot board,v

ta ke ofi the radiator, and also it issoinetiine's" pose of cleaningthe.inteiior thereof. Y W hat I cla-imis:

il. The conibinationwith'the exliaustfcoii- .t dint from an explosiveengine, of a radiatory .closessaid inlet port and o pen'sfthe"directlexhaust conduit, into alposition` in whieh'it opens'vsaid inlet port and'closes the, direct unscrewed, the radiatorv ymay be removed: This isiinportant,`be-

timel it is desirable Vto 8 0 desirable to remove the radiator forthepu'r` i' nduit, und4 jaf 'switch' exhaust conduit at a point betweenysaid inlet" ,Y

and outlet ports, and a gravity opened 'check valve of the liapper typehung in said direct .exhaust conduit betweensaid inlet and entf' letports and adapted lto be blown by theex switch valve.

2. The combination.

with the exhaust core..

i haust into a position to close said outlet port,` ,when the said inletport is closed by'saidv ing inlet and outlet ports connecting the i sameto said exhaust conduit, an oscillatory cut-olf valve located at thejunction of said inlet port with said exhaust conduit land having asegmental ilange movable from a positionin which it closes the,saidinlet port and opens the direct exhaust eonduitfwinto a.'V

position into which it will open said inlet portland close the directexhaust conduit at a point between said inlet and outlet ports, and aports andadapted to be blown vinto a posi- -tion to close said outletport, when said cutlio,r

gravity opened check valve of the vfrapper type loosely hung in saiddirect.. ex-' between said inlet and outlet In testimony whereofl aiiixmy signature "4 in presence of two witnesses.

Witnesses: .f f .Y

Bannion G. ,WHEELEm V HARRY D. KI'LGORE.

